Johnco 4M - Marvel - Avengers - Crystal Terrarium

Grow your own crystal. It's a cool science project!Crystal will grow to approximately 4.5cm (1.7 inches) in diameter. However, the size, shape and colour may vary depending on experiment conditions. Contents: 1 bag white crystal compound, 1 bag red colourant, 1 crystal base, 1 stirring bowl, 1 stirring spoon, 1 display cover, 1 coloured wrapper, 1 circular card cover and detailed instructions.Ages: 5+. .embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }